Low power voltage clamp circuit

Details Low power voltage clamp circuit Low power voltage clamp circuit

1987-12-15

1989-10-17

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3072963, H03K 301

Patent

active

048749672

ABSTRACT:
The voltage clamp circuit can clamp positive and/or negative voltages. The voltage clamp circuit includes voltage sensing and clamping circuit consisting of a chain of series connected diodes connected between an output and a reference terminal of the voltage clamp circuit. A current mirror circuit is connected to the chain of series connected diodes. A current generating circuit is connected to the current mirror circuit and sensing and clamping circuit. The voltage clamp circuit consumes only enough current to develop a threshold voltage across each of the chain of series connected diodes.

REFERENCES:
patent: 4027177 (1977-05-01), Davis
patent: 4042843 (1977-08-01), Sikes
patent: 4438346 (1984-03-01), Chuang et al.

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